Mail Mint - Information Disclosure (CVE-2026-2025)

CVE-2026-2025 is an information disclosure vulnerability in the Mail Mint WordPress plugin prior to version 1.19.5, where a lack of authorization on a REST API endpoint allows unauthenticated users to retrieve email addresses of blog users. This flaw could be exploited by attackers to harvest user emails for phishing campaigns or spam attacks.

CrowdSec has been tracking this vulnerability and its exploits since 1st of April 2026.

CrowdSec network data shows that most actors exploiting CVE-2026-2025 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2026-2025 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2026-2025 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit unauthenticated access to the /wp-json/mrm/v1/wp/admins REST API endpoint, often using the term=@ query, to retrieve email addresses of WordPress blog users.